What we need is a patient teacher, __________ who listens to us students.

My grandma still treats me like a child. She can’t imagine ______ grown up. 

No progress was made in the trade talk as neither side would accept the conditions of      .

The two runners are neck and neck; _______ of them could win the race.

I wanted to buy a comic book for my cousin, but there was _________ left in the shop.